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LEARN MORE ABOUT .idIn 2021, the largest age group in the West Brisbane Water District was 45 to 49 year olds. The group that changed the most since 1991 was 55 to 59 year olds, increasing by 616 people.
The Age Structure of the West Brisbane Water District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the West Brisbane Water District's residential role and function and how it is likely to change in the future.
Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.
To get a more complete picture the West Brisbane Water District's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
Q:
Derived from the Census question:
'What is the person's date of birth or age?'
| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| West Brisbane Water District - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Wyong % | Number | % | Wyong % | 1991 to 2021 |
| 0 to 4 | 832 | 5.8 | 5.2 | 913 | 9.3 | 7.3 | -82 |
| 5 to 9 | 961 | 6.7 | 4.8 | 765 | 7.8 | 7.2 | +195 |
| 10 to 14 | 939 | 6.6 | 5.4 | 569 | 5.8 | 7.1 | +370 |
| 15 to 19 | 947 | 6.6 | 6.1 | 627 | 6.4 | 7.8 | +320 |
| 20 to 24 | 750 | 5.2 | 6.4 | 504 | 5.1 | 6.5 | +246 |
| 25 to 29 | 715 | 5.0 | 6.1 | 893 | 9.0 | 6.8 | -179 |
| 30 to 34 | 790 | 5.5 | 5.1 | 937 | 9.5 | 6.9 | -147 |
| 35 to 39 | 909 | 6.4 | 5.1 | 732 | 7.4 | 6.0 | +176 |
| 40 to 44 | 983 | 6.9 | 6.2 | 705 | 7.1 | 7.2 | +277 |
| 45 to 49 | 1,080 | 7.6 | 6.2 | 571 | 5.8 | 6.1 | +508 |
| 50 to 54 | 1,012 | 7.1 | 7.2 | 427 | 4.3 | 5.4 | +585 |
| 55 to 59 | 1,018 | 7.1 | 6.9 | 402 | 4.1 | 4.8 | +616 |
| 60 to 64 | 946 | 6.6 | 6.5 | 414 | 4.2 | 6.1 | +532 |
| 65 to 69 | 677 | 4.7 | 6.4 | 449 | 4.6 | 5.8 | +227 |
| 70 to 74 | 610 | 4.3 | 6.2 | 381 | 3.9 | 4.5 | +228 |
| 75 to 79 | 446 | 3.1 | 5.1 | 270 | 2.7 | 3.1 | +176 |
| 80 to 84 | 349 | 2.4 | 2.9 | 192 | 2.0 | 1.4 | +156 |
| 85 and over | 332 | 2.3 | 2.3 | 118 | 1.2 | 0.4 | +214 |
| Total population | 14,296 | 100.0 | 100.0 | 9,878 | 100.0 | 100.0 | +4,418 |
Dominant groups
Analysis of the five year age groups of the West Brisbane Water District in 2021 compared to Wyong shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 19.1% of the population was aged between 0 and 15, and 16.9% were aged 65 years and over, compared with 15.4% and 22.9% respectively for Wyong.
The major differences between the age structure of the West Brisbane Water District and Wyong were:
- A larger percentage of persons aged 5 to 9 (6.7% compared to 4.8%)
- A smaller percentage of persons aged 75 to 79 (3.1% compared to 5.1%)
- A smaller percentage of persons aged 70 to 74 (4.3% compared to 6.2%)
- A smaller percentage of persons aged 65 to 69 (4.7% compared to 6.4%)
Emerging groups
From 1991 to 2021, West Brisbane Water District's population increased by 4,418 people (44.7%). This represents an average annual population change of 1.24% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 55 to 59 (+616 persons)
- 50 to 54 (+585 persons)
- 60 to 64 (+532 persons)
- 45 to 49 (+508 persons)
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